The following table shows share price and dividend data for a company from 2016 to 2019.

Year	Share price at the end of the year ($)	Dividend at the end of the year ($)
2016	100	4
2017	105	5
2018	99	3
2019	101	2

An investor purchased three shares at the end of 2016, another two shares at the end of 2017, sold one share at the end of 2018 and sold all remaining shares at the end of 2019. Using the above information, calculate

Arithmetic average return

Geometric average return

Dollar-weighted return